82789814 has 8 divisors (see below), whose sum is σ = 124224408. Its totient is φ = 41381680.

The previous prime is 82789807. The next prime is 82789829. The reversal of 82789814 is 41898728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6089 + ... + 14235.

It is an arithmetic number, because the mean of its divisors is an integer number (15528051).

Almost surely, 2^82789814 is an apocalyptic number.

82789814 is a deficient number, since it is larger than the sum of its proper divisors (41434594).

82789814 is a wasteful number, since it uses less digits than its factorization.

82789814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13230.

The product of its digits is 258048, while the sum is 47.

The square root of 82789814 is about 9098.8908115220. The cubic root of 82789814 is about 435.8385445730.

The spelling of 82789814 in words is "eighty-two million, seven hundred eighty-nine thousand, eight hundred fourteen".